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Finding the Fourth Proportional to 219,457.44, 329,267.57 and 134,243.01

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Solution

The fourth proportional to 219,457.44, 329,267.57 and 134,243.01 is: 201,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,457.44 : 329,267.57 = 134,243.01 : x
  2. Step 2: Convert to fraction form
    219,457.44/329,267.57 = 134,243.01/x
  3. Step 3: Cross multiply
    219,457.44x = 329,267.57 × 134,243.01
  4. Step 4: Simplify right side
    219,457.44x = 44,201,869,020.97
  5. Step 5: Solve for x
    x = 44,201,869,020.97/219,457.44
  6. Step 6: Final answer
    x = 201,414.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.